20558580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1629

約数の個数: 96

約数和(自身を含む): 67952640

約数和(自身を除く): 47394060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1579, 1860, 2170, 2604, 3158, 3255, 4340, 4737, 6316, 6510, 7895, 9474, 11053, 13020, 15790, 18948, 22106, 23685, 31580, 33159, 44212, 47370, 48949, 55265, 66318, 94740, 97898, 110530, 132636, 146847, 165795, 195796, 221060, 244745, 293694, 331590, 342643, 489490, 587388, 663180, 685286, 734235, 978980, 1027929, 1370572, 1468470, 1713215, 2055858, 2936940, 3426430, 4111716, 5139645, 6852860, 10279290, 20558580]

約数ペア:

[(1, 20558580), (2, 10279290), (3, 6852860), (4, 5139645), (5, 4111716), (6, 3426430), (7, 2936940), (10, 2055858), (12, 1713215), (14, 1468470), (15, 1370572), (20, 1027929), (21, 978980), (28, 734235), (30, 685286), (31, 663180), (35, 587388), (42, 489490), (60, 342643), (62, 331590), (70, 293694), (84, 244745), (93, 221060), (105, 195796), (124, 165795), (140, 146847), (155, 132636), (186, 110530), (210, 97898), (217, 94740), (310, 66318), (372, 55265), (420, 48949), (434, 47370), (465, 44212), (620, 33159), (651, 31580), (868, 23685), (930, 22106), (1085, 18948), (1302, 15790), (1579, 13020), (1860, 11053), (2170, 9474), (2604, 7895), (3158, 6510), (3255, 6316), (4340, 4737)]